Fill in the blank space for the given series with the correct alternative.
$5, 16, 49, 104, (...)$

Choose the correct alternative to complete the series: $aa . . ab . . . . . . aaa . . . a$.

Choose the correct alternative for the missing term:
$J2Z, K4X, I7V, ?, H16R, M22P$

Find out the wrong term from the given series.
$8, 13, 21, 32, 47, 63, 83$

These questions are based on the following arrangement. Study it carefully and answer the questions.
$8, H, \%, 3, 7, T, A, 4, \#, 6, B, I, @, R, 1, Q, \star, L, E, 2, K, \$,U,5,9$
Which element is sixth to the right of fifteenth from the right end?

Find out the wrong term from the given series:
$445, 221, 109, 46, 25, 11, 4$